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Link ECU G4+ MINI Cooper Stand Alone ECU (thread)

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Link ECU G4+ MINI Cooper Stand Alone ECU (thread)

  #1  
Old 10-29-2018, 10:01 AM
co0p3r
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Link ECU G4+ MINI Cooper Stand Alone ECU (thread)

I wanted to start a thread about the Link ECU G4+ Plug In ECU for the MINI Cooper S (first generation) cars, I know there was/is a sticky, but it’s a locked thread so we cannot make comments and questions.

I hope others that may have the ECU or planning on getting one will post here also so that people can learn about the installation and advantages of a standalone ECU.

I had one of these before in a 2005 MINI Cooper S it was a lot of fun, I had the Launch Control feature turned on but had not got to the No Lift Shift function. That car ended up in a big debacle and I moved on from it.

An opportunity came for this nicely equipped 2006 MINI Cooper S, it had been setup with some track parts installed. I don’t really care about the track parts and I am in the process of removing most of them and taking the car back to a pretty much stock configuration.

The performance upgrades I will do:
  • OEM JCW 380cc Injectors
  • GTT Stealth Airbox
  • OEM JCW Exhaust
  • Boost Gauge
  • 15% Pulley (already installed on the car)

So my goals for the car:
  • Install the Link ECU
  • Install Link G4+ CAN – Lambda Wideband O2 sensor
  • Have it tuned & Launch Control & No Lift Shift Setup
  • Install an OBDII connector on the LINK ECU so that my Garmin Camera will interface with it (using Bluetooth)
  • Drive the car, makes lots of loud obnoxious noise!

Physical installation of the ECU is pretty ease and straight forward, turn the car off and let the ECU go to sleep. Remove the factory ECU and plug in the new Link ECU. Connect a Laptop to the Link ECU via the provided USB interface, unlock the ECU, install the newest version of firmware and a base tune and start the car. It really is that ease, for that part.

To actually tune the car you need knowledge of what you are looking at when using the provided LinkG4+ software (I don’t have this knowledge). You will also need a Wideband O2 Sensor installed. On my previous 2005 I have a standard 0-5v+DC wideband. Link did not have the CAN-Lambda version at the time. So this time I will be installing the LINK wideband. This is slightly more involved you need, the LINK wiring harness, a relay, and an OBDII connector (if you want the OBDII functionality).

This setup is not a cheap option so I do not see most people going in for it. The ECU is 1200$, the CAN-Lambda is another 300$ and you will need another ~30$ for the connector cable. Then you still need to install it and program it/tune it.

I will post more here as I go along with the installation, setup and configuration. I would like to encourage anyone that has one already or is interested in the ECU to post in this thread also, I really do want to share the knowledge.


 
  #2  
Old 10-29-2018, 10:01 AM
co0p3r
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  #3  
Old 10-29-2018, 10:32 AM
Alan
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I have the MINILink G4+ in my R53 race car. It has an ENDYN big valve head, SneedSpeed R53 big intake plenum, stock cam advanced 10 degrees. 9.3 /1 compression pistons. Presently has stock supercharger pulley.

Uses the stock MINI sensors plus MTX-L 4.9 wideband Lambda sensor, and DIYAutoTune CAN-EGT for individual cylinder EGT.

Been refining tune for several months now. Initial tune done by local race shop tuner. Car will have certification dyno done in time for 2019 race season. Tune is being done with 100 octane race gas. Will convert (back) to E85 once timing is finalized.

Attached is the current tune file. Still needs some work / about 85% done. May need to install JCW pulley to get to the HP needed for GTS2.

Questions / Feedback welcome
 
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The following 2 users liked this post by Alan:
co0p3r (10-29-2018), Joshua P (04-25-2019)
  #4  
Old 10-29-2018, 10:38 AM
co0p3r
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Originally Posted by Alan View Post
I have the MINILink G4+ in my R53 race car. It has an ENDYN big valve head, SneedSpeed R53 big intake plenum, stock cam advanced 10 degrees. 9.3 /1 compression pistons. Presently has stock supercharger pulley.
<snip>
An Endyn Head - neat never actually saw one of those, I know he stopped doing heads a good while ago, he was really skilled and had some really interesting ideas.

Thank you for commenting and I hope we can share some information. Are you doing the final tuning on the ECU/Tune?

I have built out motors before, but dont really wish to do that as all of my MINIs are road drivers, so I just want fun and reliability now.
 
  #5  
Old 10-29-2018, 11:21 AM
Alan
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Yes, I am doing the final tuning.
 
  #6  
Old 11-19-2018, 07:02 PM
co0p3r
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I finally got a little time to make up the harness for the CAN Lambda Sensor, I also got some 440cc injectors to install with the ECU.

 
  #7  
Old 04-11-2019, 08:28 AM
JKo
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Any progress with this?

What's the OBD2 functionality like? Asking because the yearly tech inspection over here includes an OBD2 check... they hook up a fault code reader to check if there are any active faults.
 
  #8  
Old 04-11-2019, 11:12 AM
co0p3r
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Originally Posted by JKo View Post
Any progress with this?

What's the OBD2 functionality like? Asking because the yearly tech inspection over here includes an OBD2 check... they hook up a fault code reader to check if there are any active faults.
I dont know if that will work, there was some take a few years ago when LinkECU first added the OBDII functionality about passing emissions test that plug in to see, I live in Florida so we dont have that, but someone in one of the states that does that said it would not work as there was no Readiness indicator . Now I dont know exactly what that means you might want to start a new thread about the OBDII functionality of the LinkECU or join the LinkECU forum and ask it there.
 
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